i need help for this question, please attach the calculation steps and explanation

ABC Oil in 2021 had the following information: net capital purchases of $2,700,000 common share dividends of $100,000 preferred share dividends of $50,000 Share buybacks $2,000,000 Net Income $2,500,000 Total cash flow of $5,000,000 Operating Cash Flow of $3,000,000 Financing Cash Flow of $1,000,000 Investing Cash Flow of $1,000,000 What was its Net Free Cash Flow? DO NOT PUT COMMAS OR $ IN YOUR ANSWER Answer: 250000 The correct answer is: 250000